“And how, father,” said he, “could one catch the enemy making such mistakes?”“Why, my son,” said he, “both you and the enemy must necessarily offer many such opportunities; for instance, you must both eat, and you must both sleep, and early in the morning you must almost all at the same time attend to the calls of nature, and you must make use of such roads as you find. All this you must observe, and you must be particularly watchful on the side where you know yourselves to be weaker, and you must attack the enemy above all in that quarter in which you see that they are most vulnerable.”